Popcorn in high speed! Free Pedigree Chart Generator. Pedigree Analysis: A Family Tree of Traits. Please ensure you have JavaScript enabled in your browser. If you leave JavaScript disabled, you will only access a portion of the content we are providing. <a href="/science-fair-projects/javascript_help.php">Here's how. </a> Abstract Some characteristics, like the shape of your hairline or whether your earlobes are attached or detached, are inherited from your parents.